kretprobe_entry_arg.tc

 1#!/bin/sh
 2# SPDX-License-Identifier: GPL-2.0
 3# description: Kretprobe entry argument access
 4# requires: kprobe_events 'kernel return probes support:':README
 5
 6echo 'p:myevent1 vfs_open arg=$arg1' >> kprobe_events
 7echo 'r:myevent2 vfs_open arg=$arg1' >> kprobe_events
 8
 9echo 1 > events/kprobes/enable
10
11echo > trace
12cat trace > /dev/null
13
14streq() {
15	test $1 = $2
16}
17
18streq `grep -A 1 -m 1 myevent1 trace | sed -r 's/^.*(arg=.*)/\1/' `